On Mon, Jun 20, 2022 at 05:02:21PM +0200, Marcin Wojtas wrote: > The MDIO bus is responsible for probing and registering its respective > children, such as PHYs or other kind of devices. > > It is required that ACPI scan code should not enumerate such > devices, leaving this task for the generic MDIO bus routines, > which are initiated by the controller driver. > > This patch prevents unwanted enumeration of the devices by setting > 'enumeration_by_parent' flag, depending on whether their parent > device is a member of a known list of MDIO controllers. For now, > the Marvell MDIO controllers' IDs are added. This flag is used for serial buses that are not self-discoverable. Not sure about MDIO, but the current usage has a relation to the _CRS. Have you considered to propose the MdioSerialBus() resource type to ACPI specification? -- With Best Regards, Andy Shevchenko
